InChI=1S/C23H32N2O7S/c1-14(32-33(27,28)29)22-9-5-12-24-13-11-23(21(22)24)16-6-7-17(30-3)20(31-4)19(16)25(15(2)26)18(23)8-10-22/h6-7,14,18,21H,5,8-13H2,1-4H3,(H,27,28,29)